Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 24
LATOR. 9 in fig. 5, and the latter again, with an endless screw M onthe prolongation of the axis, carrying the cog wheel N andfly X, An electro-magnet P, consisting of a hollow iron tube,with its helix of insulated copper wire, is placed in the base ofthe lamp ; and one end of the wire of the helix… … Fig. 5. lever EST, serves as an armature to the magnet, and whenattracted by the latter, causes the pallet of the supplementarylever U, which is controlled by the long lever E, S T, to catch inthe wheel N, and thus arrest its motion and that of the train ofwheels with which it is in connection.…
Electrical engineering
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